/**
 * File ColorUtils.java
 * ---------------------------------------------------------
 *
 * Copyright (C) 2012 David Bauske (david.bauske@googlemail.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * - The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * - The origin of the software must not be misrepresented.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * TL;DR: As long as you clearly give me credit for this Software, you are free to use as you like, even in commercial software, but don't blame me
 * 		if it breaks something.
 */
package net.cl.util.color;

import java.awt.Color;

/**
 * Contains a bunch of utility methods for dealing with Colors.
 *
 * @author David
 */
public final class ColorUtils
{
	private static final int	MAX_COLOR_VALUE = 255;

	/**
	 * Weakens a color (removes parts of the color component and brings it closer to white).
	 *
	 * @param pColor The color to weaken
	 * @param pPercent The percentage to weaken the color by. Should be in the range [0;1].
	 * @return The weakened color.
	 */
	public static Color weaken(Color pColor, double pPercent)
	{
		int red = (int) ((pColor.getRed() + MAX_COLOR_VALUE) * pPercent);
		int green = (int) ((pColor.getGreen() + MAX_COLOR_VALUE) * pPercent);
		int blue = (int) ((pColor.getBlue() + MAX_COLOR_VALUE) * pPercent);
		return new Color(
				Math.min(red, MAX_COLOR_VALUE),
				Math.min(green, MAX_COLOR_VALUE),
				Math.min(blue, MAX_COLOR_VALUE));
	}

	/**
	 * Class is not instantiable. Please use the static methods.
	 */
	private ColorUtils()
	{
	}
}
